Speakerphone



FIG. 1 is a perspective view of the speakerphone.

FIG. 2 is a front elevation view thereof.

FIG. 3 is a rear elevation view thereof.

FIG. 4 is a top plan view thereof.

FIG. 5 is a bottom plan view thereof.

FIG. 6 is a side view thereof; and,

FIG. 7 is the other side view thereof.

The broken lines are included for the purpose of showing portions of the article and form no part of the claimed design. 

The ornamental design for a speakerphone, as shown and described. 